ICD-10 Code K56.6 – Other and unspecified intestinal obstruction (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K56.6 – Other and unspecified intestinal obstruction
What it is
K56.6 identifies an intestinal obstruction when the record does not specify the exact cause or type. Use it for blockage of the bowel that is documented as other or unspecified.
Clinical signs
Typical findings include abdominal pain, distention, nausea, vomiting, and reduced or absent bowel movements. Clinical features vary; refer to documentation.
When to use this code
Use K56.6 when the provider documents intestinal obstruction but does not name a more specific diagnosis. It also fits cases labeled “other” obstruction or “unspecified” obstruction in the chart. Check documentation if the cause, site, or type is clarified elsewhere.
Do not use for
Do not assign this code when the record identifies paralytic ileus, volvulus, intussusception, hernia-related obstruction, or another specific intestinal obstruction code. Check documentation.
Coding tip
Look for the most specific obstruction type and cause before defaulting to K56.6.